PCB15JB2R20 Equivalent & Substitute Parts

Part Overview

The PCB15JB2R20 is a 2.2 Ohm, 15W axial wirewound resistor manufactured by Stackpole Electronics Inc, designed for through-hole applications requiring flame-proof and moisture-resistant characteristics. This part is currently listed as obsolete, making identification of suitable substitutes essential for ongoing production and maintenance applications. The CB series from Stackpole Electronics provides direct functional equivalents with improved specifications and active product status.

Substiute Parts

PCB15JB2R20

Stackpole Electronics IncIn Stock: 1099PCB15JB2R20 Datasheet

Current PartRFQ

CB15JB2R20

Stackpole Electronics IncIn Stock: 1187CB15JB2R20 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The CB15JB2R20 qualifies as a direct substitute for the PCB15JB2R20 based on the following critical parameters:

• Identical resistance value: 2.2 Ohms
• Identical tolerance: ±5%
• Identical power rating: 15W
• Identical composition: Wirewound
• Identical package type: Axial
• Identical operating temperature range: -55°C to 275°C
• Identical safety and environmental features: Flame Proof, Moisture Resistant, Safety
• Identical compliance certifications: ROHS3 Compliant, REACH Unaffected, EAR99

The CB15JB2R20 represents an active product variant within the same manufacturer's portfolio, offering improved temperature coefficient performance and current inventory availability.

Parameter Comparison

Engineering Selection Recommendations

The CB15JB2R20 is the appropriate substitute for the obsolete PCB15JB2R20. Both parts maintain identical electrical and mechanical specifications across all critical parameters. The CB15JB2R20 offers the additional advantage of active product status, ensuring long-term availability and supply chain continuity. Both variants satisfy ROHS3 compliance and REACH requirements, making them suitable for regulated applications. The improved temperature coefficient of the CB15JB2R20 (±500ppm/°C versus ±800ppm/°C) provides enhanced stability in temperature-sensitive circuit applications.

Frequently Asked Questions (FAQ)

Q: Can the CB15JB2R20 be used as a direct replacement for the PCB15JB2R20?

A: Yes. Both parts share identical electrical specifications (2.2 Ohms, ±5%, 15W), composition (wirewound), package type (axial), and operating temperature range (-55°C to 275°C). The CB15JB2R20 is the active equivalent.

Q: What is the difference between the PCB and CB series designations?

A: The PCB15JB2R20 is an obsolete variant, while the CB15JB2R20 is the current active product from Stackpole Electronics Inc. Both are manufactured to the same functional specifications.

Q: Are there any dimensional differences between these parts?

A: Both parts use axial packaging. The PCB15JB2R20 is specified as 1.902" L x 0.500" W (48.30mm x 12.70mm), while the CB15JB2R20 is specified as 0.512" Square x 1.890" L (13.00mm x 48.00mm). These represent standard axial resistor dimensions and are mechanically compatible in through-hole applications.

Q: Do both parts meet current compliance requirements?

A: Yes. Both the PCB15JB2R20 and CB15JB2R20 are ROHS3 compliant and REACH unaffected, meeting current regulatory standards for electronic components.

Q: Which part should be selected for new designs?

A: The CB15JB2R20 should be selected for new designs due to its active product status and improved temperature coefficient performance.